Are you a property professional?Get qualified leads from motivated homeowners.
Get started18 Upper High Street, Winchester, SO23 8UT
5 sales on record
About 18 Upper High Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
18 Upper High Street is a three-bedroom mid-terrace house in Winchester (SO23 8UT). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (February 2026) shows a C (score 75), near the top of the C band. When first surveyed in December 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Good to Very Good; while roof efficiency dropped from Good to Very Poor. This certificate was lodged in the last six months, so the rating reflects current condition. At 97 m² this is the 14th smallest of 19 units on EPC record in the building, where floor areas span 31–222 m². The building's EPC ratings span G to B across 19 units on file.
Sale prices here have outpaced Winchester HPI: 6.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£541/sq ft) was about 91.9% above the typical sold price in the postcode. At 97 m² the property is well over the postcode median (68 m² across 18 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Sold January 2023 for £565,000.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms3
- Bathrooms3
- Open-plan layoutYes
- Dining roomYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
The EPC has just been inspected, so the rating reflects current condition.
Current Certificate(1 of 3)
Feb 2026
EPC Rating
A
B
C
C75
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Very Good
Windows
Good
CO2 Emissions
2.4 t/year
Occupancy
—
Planning history
Applications and permits filed against 18 Upper High Street, Winchester, SO23 8UT, sourced from the PlanIt planning register.
- Aug 2014Loft ConversionFullGranted
(HOUSEHOLDER) Loft conversion to living accommodation, replacement front dormer and addition of window and 2no. dormers to the rear (RESUBMISSION)
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
18 Upper High Street has more than quadrupled in price since its earliest registered sale in 1996.
Current estimate
See how we calculated this£611,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 26 years.
Last sold (2023)
£565,000
Growth on file: 6.5% per year over 26 years.
Sales timeline
Versus other Upper High Street homes
Four headline reads against 14 similar flats on this street, drawn from the latest EPC and Land Registry data.
18 Upper High Street outperforms the street on price per m² by a wide margin.
Price per m²
£5,825
Street avg £4,081
Floor Area
97 m²
Street avg 64 m²
CO₂ Emissions
2.4 t/year
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Winchester district page.
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Westgate — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SO23 8UT from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
51.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 46 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 18 Upper High Street, Winchester, SO23 8UT. Each answer is also embedded as structured data for search engines.